(-15;5/12)
х=-15
у=5/12
5/12=k*(-15)-5 7/12
-15k=5/12+5 7/12
-15k=5/12+67/12
-15k=72/12
-15k=6
k= -6/15
k= -2/5
(-15;5/12)
х=-15
у=5/12
5/12=k*(-15)-5 7/12
-15k=5/12+5 7/12
-15k=5/12+67/12
-15k=72/12
-15k=6
k= -6/15
k= -2/5